Aug 2, 2022 · Protein in your urine (proteinuria) happens when proteins leak into your pee. It can be a sign of kidney disease. It might make your pee foamy or bubbly.

What is proteinuria? Proteinuria, also called albuminuria, is elevated protein in the urine. It is not a disease in and of itself but a symptom of certain conditions affecting the kidneys.

Proteinuria is the presence of excess proteins in the urine. In healthy persons, urine contains very little protein, less than 150 mg/day; an excess is suggestive of illness.

Mar 20, 2025 · Learn about possible causes of elevated protein levels in urine tests.

Nov 5, 2025 · Protein in urine (Proteinuria) symptoms, causes, tests and treatments Having protein in your urine is a sign that your kidneys may be damaged. Learn what causes protein …

Jul 19, 2023 · Albuminuria (proteinuria) is caused by kidney damage, specifically when the damage occurs in the glomerulus (the kidney’s filter). Sometimes this is temporary (short-term …

Oct 26, 2022 · Learn about proteinuria (protein in urine). This guide examines the causes and symptoms of proteinuria, treatment options, when to contact a doctor, and more.